
<template>
	<div id="layout">
		<div id="product_tree"></div>
		<!-- <div id='download' @click="downloadfun()">⬇</div> -->
		<div id="rtbtn" onclick="javascript:history.go(-1);">
			<img src="../../assets/rtbtn1.png" alt="">
		</div>
	</div>
</template>
